File size: 6,293 Bytes
a402b9b | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 | //! Error types for the SGLang router core
//!
//! This module defines error types used throughout the router for worker operations.
/// Worker-related errors
#[derive(Debug, thiserror::Error)]
pub enum WorkerError {
#[error("Health check failed for worker {url}: {reason}")]
HealthCheckFailed { url: String, reason: String },
#[error("Worker not found: {url}")]
WorkerNotFound { url: String },
#[error("Invalid worker configuration: {message}")]
InvalidConfiguration { message: String },
#[error("Network error for worker {url}: {error}")]
NetworkError { url: String, error: String },
#[error("Worker at capacity: {url}")]
WorkerAtCapacity { url: String },
#[error("Invalid URL format: {url}")]
InvalidUrl { url: String },
#[error("Connection failed for worker {url}: {reason}")]
ConnectionFailed { url: String, reason: String },
}
/// Result type for worker operations
pub type WorkerResult<T> = Result<T, WorkerError>;
/// Convert from reqwest errors to worker errors
impl From<reqwest::Error> for WorkerError {
fn from(err: reqwest::Error) -> Self {
WorkerError::NetworkError {
url: err.url().map(|u| u.to_string()).unwrap_or_default(),
error: err.to_string(),
}
}
}
#[cfg(test)]
mod tests {
use std::error::Error;
use super::*;
#[test]
fn test_health_check_failed_display() {
let error = WorkerError::HealthCheckFailed {
url: "http://worker1:8080".to_string(),
reason: "Connection refused".to_string(),
};
assert_eq!(
error.to_string(),
"Health check failed for worker http://worker1:8080: Connection refused"
);
}
#[test]
fn test_worker_not_found_display() {
let error = WorkerError::WorkerNotFound {
url: "http://worker2:8080".to_string(),
};
assert_eq!(error.to_string(), "Worker not found: http://worker2:8080");
}
#[test]
fn test_invalid_configuration_display() {
let error = WorkerError::InvalidConfiguration {
message: "Missing port number".to_string(),
};
assert_eq!(
error.to_string(),
"Invalid worker configuration: Missing port number"
);
}
#[test]
fn test_network_error_display() {
let error = WorkerError::NetworkError {
url: "http://worker3:8080".to_string(),
error: "Timeout after 30s".to_string(),
};
assert_eq!(
error.to_string(),
"Network error for worker http://worker3:8080: Timeout after 30s"
);
}
#[test]
fn test_worker_at_capacity_display() {
let error = WorkerError::WorkerAtCapacity {
url: "http://worker4:8080".to_string(),
};
assert_eq!(error.to_string(), "Worker at capacity: http://worker4:8080");
}
#[test]
fn test_worker_error_implements_std_error() {
let error = WorkerError::WorkerNotFound {
url: "http://test".to_string(),
};
let _: &dyn Error = &error;
assert!(error.source().is_none());
}
#[test]
fn test_error_send_sync() {
fn assert_send_sync<T: Send + Sync>() {}
assert_send_sync::<WorkerError>();
}
#[test]
fn test_worker_result_type_alias() {
let result: WorkerResult<i32> = Ok(42);
assert!(matches!(result, Ok(42)));
let error = WorkerError::WorkerNotFound {
url: "test".to_string(),
};
let result: WorkerResult<i32> = Err(error);
assert!(result.is_err());
}
#[test]
fn test_empty_url_handling() {
let error1 = WorkerError::HealthCheckFailed {
url: "".to_string(),
reason: "No connection".to_string(),
};
assert_eq!(
error1.to_string(),
"Health check failed for worker : No connection"
);
let error2 = WorkerError::NetworkError {
url: "".to_string(),
error: "DNS failure".to_string(),
};
assert_eq!(error2.to_string(), "Network error for worker : DNS failure");
let error3 = WorkerError::WorkerNotFound {
url: "".to_string(),
};
assert_eq!(error3.to_string(), "Worker not found: ");
}
#[test]
fn test_special_characters_in_messages() {
let error = WorkerError::InvalidConfiguration {
message: "Invalid JSON: {\"error\": \"test\"}".to_string(),
};
assert_eq!(
error.to_string(),
"Invalid worker configuration: Invalid JSON: {\"error\": \"test\"}"
);
let error2 = WorkerError::HealthCheckFailed {
url: "http://测试:8080".to_string(),
reason: "连接被拒绝".to_string(),
};
assert_eq!(
error2.to_string(),
"Health check failed for worker http://测试:8080: 连接被拒绝"
);
}
#[test]
fn test_very_long_error_messages() {
let long_message = "A".repeat(10000);
let error = WorkerError::InvalidConfiguration {
message: long_message.clone(),
};
let display = error.to_string();
assert!(display.contains(&long_message));
assert_eq!(
display.len(),
"Invalid worker configuration: ".len() + long_message.len()
);
}
#[test]
fn test_reqwest_error_conversion() {
let network_error = WorkerError::NetworkError {
url: "http://example.com".to_string(),
error: "connection timeout".to_string(),
};
match network_error {
WorkerError::NetworkError { url, error } => {
assert_eq!(url, "http://example.com");
assert_eq!(error, "connection timeout");
}
_ => panic!("Expected NetworkError variant"),
}
}
#[test]
fn test_error_equality() {
let error1 = WorkerError::WorkerNotFound {
url: "http://test".to_string(),
};
let error2 = WorkerError::WorkerNotFound {
url: "http://test".to_string(),
};
assert_eq!(error1.to_string(), error2.to_string());
}
}
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